1. One day, the empty space on my bookcase drew my attention. 一天,书架上空荡荡的地方引起了我的注意。
2. The proportion of empty space in a rock is known as its porosity. 岩石中空隙的比例被称为孔隙度。
3. Thus a proportion of the total volume of any sediment, loose or cemented, consists of empty space. 因此,无论是疏松或胶结,沉积物总体积都有一部分是由空隙组成的。
4. This orthodox view of the universe is now being challenged by astronomers who believe that a heavy "rain" of gas is falling into many galaxies from the supposedly empty space around them. 这种正统的宇宙观现在正受到天文学家的挑战。天文学家认为,一场巨大的气体“雨”正从星系周围所谓的空无一物的空间落入许多星系中。
5. Empty Space Filled With "Virtual" particles. 充满“虚”粒子的真空。